CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1987-0108
COSMOS 1826
COSMOS 1826 (NORAD 17577) landed on 25 March 1987, after 14 days in orbit.
Official date
NORAD number
17577
International designator
1987-025A
Object type
Spacecraft
Country
USSR
Launched
11 Mar 1987Plesetsk Cosmodrome
Landed (UTC)
25 Mar 1987UTC calendar day
Time in orbit
14 days14 days
How it ended
Landed
Latitude range
72.9°N to 72.9°SFinal inclination 72.9°
Mass
2,655 kg
Operator
UNKS
Built by
TsSKB
Bus
Oblik
Programme
Oblik
Where it came down
Latitude band its orbit allowedExact position not recorded
No position was recorded for this re-entry. Its final orbit, inclined at 72.9°, allowed a re-entry anywhere between 72.9°N and 72.9°S.
Life in orbit
14 daysAlso ended on 25 Mar 1987
2 entriesFrom the same launch
1987-025
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1987-0108
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1987-0108
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.